GTAC Observation Log 1. Date : 23/12/2017 2. Observation Sr. No. : 9976 3. Observer : Yashwant Gupta, BHAL CHANDRA JOSHI, Manjari Bagchi, Sushan Konar, Biplab Bijay, Mayuresh Surnis, Gopakumar Achamveedu, Debades Bandyopadhyay, Dipankar Bhattacharya, Avinash Anant Deshpande, Biprateep Dey, Vishal R Gajjar, Sanjay S. Kudale, Yogesh Maan, Sachindra Naik, Paramasivan Arumugam, Alak Ray, Boris Sindhu Kalita, Sajad Ahmad Bhat 4. Observer's Email : ygupta@ncra.tifr.res.in, bcj@ncra.tifr.res.in, manjari.bagchi@gmail.com, sushan@ncra.tifr.res.in, biplab@ncra.tifr.res.in, mpsurnis@ncra.tifr.res.in, gopu.tifr@gmail.com, debades.bandyopadhyay@saha.ac.in, dipankar@iucaa.in, desh@rri.res.in, biprateep.d@niser.ac.in, gajjar@ncra.tifr.res.in, ksanjay@gmrt.ncra.tifr.res.in, maan@astron.nl, snaik.prl@gmail.com, p.arumugam@gmail.com, akr@tifr.res.in, boris.kalita@ncra.tifr.res.in, sajadtarigami@gmail.com 5. Project Name : Survey for Pulsars and Fast Transients with the upgraded GMRT : Completing the Pilot Study 6. Project Code : 33_077 7. Operator(s) : Rupsing, Shilpa, Surender 8. Command File : /odisk/gtac/cmd/33_077/23dec17/part_1.cmd,, /odisk/gtac/cmd/33_077/23dec17/part_2.cmd,, /odisk/gtac/cmd/33_077/23dec17/part_3.cmd 9. LTA File : /gwbifrdata2/23dec/33_077_23dec2017_gwb.lta.1, /gwbifrdata2/23dec/33_077_23dec2017_gwb.lta 10. LogFlag File : /odisk/online1/logflags/PNTG.FLAGS.2590 ANTENNA SETTINGS : 11. RF Band(MHz) & Solar Attn(dB)- RF1 : 306 MHz ,RF2 : 306 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz): ILO1 : 255 MHz, ILO2 : 255MHz , IVLO1 : 51 MHz, IVLO2 : 51 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 4+14 dB, 32 MHz,ON, IF-CH2 : 4+14 dB, 32 MHz,ON GSB SETTINGS : 14. GSB Host : gsbm1_lenyadri 15. GSB Mode : Realtime 16. GSB LTA : 8 17. GSB CTRL : ONLINE 18. GSB Fstop : ON 19. GAIN EQ : ON 20. Stokes : Total_Intensity 21. Beam - 1 : OFF 22. Beam - 2 : OFF 23. ACQ BW : 33.333333 MHz 24. Final BW : 0 MHz; Step # 0 25. Maximum Channels : 256 26. Channel Numbers : 0:255:1 27. LO5 -1 : 149 28. LO5 -2 : 156 29. Frequency Parameters (TPA) : 306 306 255 255 51 51 30. Integration Time : 16.1061 Sec 31. No of Antennas Working(Fringing) at the beginning :26 32. Name of Non-Working Antennas (with reason for each) : C04 : MCM-5 timeout. C09 : Strong RFI. E04 : Low fringe due to surface refurbishment work. W06 : Fringe fluctuation. 33. Note for Backup : 34. Start and End Time of Obs.(IST): 23 Dec 2017 08:00:00 - 23 Dec 2017 16:00:00 35. ONLINE Machine : Lenyadri 36. No of Antennas Working(Fringing) at the end :26 37. Comments (During Observations) : ------------GWB Setting---------------------------------------------------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 500 500 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 33_077 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BEAM_3 : IA GPU_BEAM_4 : PA GPU_BM_INT : 8 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 64 inputs. GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF --------------------------------------------------------------------------- # GWB GAC configuration is as follows : # BEAM-3:130 :: C00 C01 C02 C03 C05 C06 C08 C10 C11 C12 C13 C14 E02 E03 E05 E06 S01 S02 S03 S04 S06 W01 W02 W03 W04 W05 Total=26 # BEAM-3:175 :: C00 C01 C02 C03 C05 C06 C08 C10 C11 C12 C13 C14 E02 E03 E05 E06 S01 S02 S03 S04 S06 W01 W02 W03 W04 W05 Total=26 # BEAM-4:130 :: C00 C01 C02 C03 C05 C06 C08 C10 C11 C12 C13 C14 E02 E03 S01 S02 S03 W01 W02 W03 Total=20 # BEAM-4:175 :: C00 C01 C02 C03 C05 C06 C08 C10 C11 C12 C13 C14 E02 E03 S01 S02 S03 W01 W02 W03 Total=20 --------------------------------------------------------------------------- 08:00 : Started settings. 08:30 : Power equalized on 1822-096 @ 150 counts. 08:35 : Phasing done on 1822-096. 08:39 : '/odisk/gtac/cmd/33_077/23dec17/part_1.cmd' command file started. 09:45 : C12 taken for painting, so removed from GAC. 10:06 : Stopped command file. 10:09 : Started scan on 1822-096 for 5min. --------------------------------------------------------------------------- --------------------------------------------------------------------------- 10:16 : Halted GWB and restarted with Beam3-IA only. ------------GWB Setting---------------------------------------------------- GPU_MODE : Realtime GPU_LTA : 4 GPU_ACQ_BW : 200.0000 GPU_FINAL_BW : 200.0000 GPU_EDGE_FRQ : 0 GPU_CHAN_MAX : 2048 GPU_CHAN_NUM : 0:2047:1 GPU_STOKES : Total_Intensity GPU_SIDEBAND : 1 1 GPU_RF4 : 500 500 GPU_DDCLO4 : 0.0000 0.0000 GPU_SB4 : 1 1 GCODE4 : 33_077 GPU_CNTRL : ONLINE GPU_FSTOP : ON GPU_BEAM_1 : OFF GPU_BEAM_2 : OFF GPU_BEAM_3 : IA GPU_BEAM_4 : OFF GPU_BM_INT : 8 GPU_GAINEQ : OFF GPU_TPA : From GWB GUI. GPU_BITS : 64 inputs. GPU_FILRFI : RFI Filterring OFF GPU_BEAM_S : OFF --------------------------------------------------------------------------- 10:26 : Started scan on 1822-096 for 3min. --------------------------------------------------------------------------- # GWB GAC configuration is as follows : # BEAM-3:130 :: C00 C01 C02 C03 C05 C06 C08 C10 C11 C13 C14 E02 E03 E05 E06 S01 S02 S03 S04 S06 W01 W02 W03 W04 W05 Total=25 # BEAM-3:175 :: C00 C01 C02 C03 C05 C06 C08 C10 C11 C13 C14 E02 E03 E05 E06 S01 S02 S03 S04 S06 W01 W02 W03 W04 W05 Total=25 --------------------------------------------------------------------------- 10:32 : '/odisk/gtac/cmd/33_077/23dec17/part_2.cmd' command file started. 12:00 : Stopped command file. --------------------------------------------------------------------------- 12:04 : Started scan on 1822-096 for 6min. C04 started working, so added in GAC. --------------------------------------------------------------------------- # GWB GAC configuration is as follows : # BEAM-3:130 :: C00 C01 C02 C03 C04 C05 C06 C08 C10 C11 C13 C14 E02 E03 E05 E06 S01 S02 S03 S04 S06 W01 W02 W03 W04 W05 Total=26 # BEAM-3:175 :: C00 C01 C02 C03 C04 C05 C06 C08 C10 C11 C13 C14 E02 E03 E05 E06 S01 S02 S03 S04 S06 W01 W02 W03 W04 W05 Total=26 --------------------------------------------------------------------------- 12:14 : '/odisk/gtac/cmd/33_077/23dec17/part_3.cmd' command file started. 16:00 : Stopped command file and observing session over. ---------------------------------------------------------------